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Finding the Fourth Proportional to 52,967.43, 79,451.08 and 13,524.54

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Solution

The fourth proportional to 52,967.43, 79,451.08 and 13,524.54 is: 20,286.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,967.43 : 79,451.08 = 13,524.54 : x
  2. Step 2: Convert to fraction form
    52,967.43/79,451.08 = 13,524.54/x
  3. Step 3: Cross multiply
    52,967.43x = 79,451.08 × 13,524.54
  4. Step 4: Simplify right side
    52,967.43x = 1,074,539,309.50
  5. Step 5: Solve for x
    x = 1,074,539,309.50/52,967.43
  6. Step 6: Final answer
    x = 20,286.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.